Home / 14,114.74-21,172.11-3,726.58

Finding the Fourth Proportional to 14,114.74, 21,172.11 and 3,726.58

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Solution

The fourth proportional to 14,114.74, 21,172.11 and 3,726.58 is: 5,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.74 : 21,172.11 = 3,726.58 : x
  2. Step 2: Convert to fraction form
    14,114.74/21,172.11 = 3,726.58/x
  3. Step 3: Cross multiply
    14,114.74x = 21,172.11 × 3,726.58
  4. Step 4: Simplify right side
    14,114.74x = 78,899,628.59
  5. Step 5: Solve for x
    x = 78,899,628.59/14,114.74
  6. Step 6: Final answer
    x = 5,589.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.